CERTIFICATION PURSUANT TO
18 U.S.C. §1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
In connection with the Annual Report ofRio Alto Mining Limited(the “Issuer”) on Form 40-F/A for the period ended December 31, 2012, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I,Alexander Black, President & Chief Executive Officer of the Isuer, hereby certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of my knowledge:
(1) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
(2) the information contained in this Report fairly presents, in all material respects, the financial condition and results of operations of the Issuer.
April 2, 2013
/s/ “Alexander Black
Alexander Black
President & Chief Executive Officer
